This compatible HP 364 XL ink twin pack contains 12 compatible 364 XL ink cartridges. All of the compatible 364XL ink cartridges are updated with the latest chips. The compatible twin pack contains 4 x black, 2 x photo black, 2 x cyan, 2 x magenta, 2 x yellow. Printing approx. 735 (black), 725 (photo black), 1,875 (cyan), 1,875 (magenta) and 1,875 (yellow) pages @ 5% average coverage. These compatible 364xl inks are designed to work perfectly in your HP printer, with premium printing results and a convenient money saving multipack. Deskjet 3520 e-All-in-One, Photosmart Pro B8550, Photosmart Pro B8553, Photosmart C5380, Photosmart C5383, Photosmart C5390, Photosmart C6300, Photosmart C6380, Photosmart D5460, Photosmart D7560, Photosmart eStation C510, Photosmart 5522,Photosmart 5525,Photosmart 5514 e-All-in-One, Photosmart 6525,Photosmart 7510,Photosmart 7520,Photosmart Premium All-in-One C410a, Photosmart Premium C309, Photosmart Premium C310, Photosmart Premium C310a, Photosmart Premium C309a, Photosmart Premium C309c, Photosmart Premium C309g, Photosmart Premium C309n, Photosmart Premium e-All-in-One C410b